package com.kuang.config;

import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    //授权
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        //首页所有人都可以访问，功能页只有有权限的人才能访问
        //请求授权的规则
        http.authorizeRequests()
                .antMatchers("/").permitAll()
                .antMatchers("/level1/**").hasRole("vip1")
                .antMatchers("/level2/**").hasRole("vip2")
                .antMatchers("/level3/**").hasRole("vip3");

        //没有权限默认到登录页,需要开启登录页面
        http.formLogin()
                .loginPage("/toLogin")
                .loginProcessingUrl("/login")
                .usernameParameter("user")
                .passwordParameter("pwd");

        //防止跨站脚本攻击
        http.csrf().disable();

        //开启了注销功能
        http.logout().logoutSuccessUrl("/");

        //开启记住我功能
        http.rememberMe().rememberMeParameter("remember");

    }

    //认证
    //密码编码：passwordEncoding
    //在security5+中新增了许多加密方式
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        //正常应该从数据库读取
        auth.inMemoryAuthentication().passwordEncoder(new BCryptPasswordEncoder())
                .withUser("kuangshen").password(new BCryptPasswordEncoder().encode("123456")).roles("vip2", "vip3")
                .and()
                .withUser("root").password(new BCryptPasswordEncoder().encode("123456")).roles("vip1")
                .and()
                .withUser("guest").password(new BCryptPasswordEncoder().encode("123456")).roles("vip2");


    }
}
